GRADIENT CATHODE MATERIAL FOR LITHIUM RECHARGEABLE BATTERIES - Patent 1433213

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EP 1 433 213 A2

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(88)	Date of publication A3:
	22.04.2004

(43)	Date of publication:
	30.06.2004 Bulletin 2004/27

(21)	Application number: 02736085.8

(22)	Date of filing: 13.06.2002

(51)	International Patent Classification (IPC)⁷: H01M 4/52, C01G 53/04

(86)	International application number:
	PCT/JP2002/005897

(87)	International publication number:
	WO 2002/103824 (27.12.2002 Gazette 2002/52)

(84)	Designated Contracting States:
	AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
	Designated Extension States:
	AL LT LV MK RO SI

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Priority:

15.06.2001 US 298791 P
15.06.2001 US 298798 P
11.02.2002 US 73674

(71)	Applicant: Kureha Chemical Industry Co., Ltd.
	Tokyo 103-8552 (JP)

(72)	Inventors:
	ONNERUD, Christina, Lampe Framingham, MA 01702 (US) ONNERUD, Per Framingham, MA 01702 (US) SHI, Jie Acton, MA 01720 (US) DALTON, Sharon Malden, MA 02148 (US) KOIZUMI, Tomoyoshi Iwaki-shi, Fukushima 974-8251 (JP) NAGAI, Aisaku Iwaki-shi, Fukushima 974-8261 (JP)

(74)	Representative: Kyle, Diana
	Elkington and Fife LLP,Prospect House8 Pembroke Road Sevenoaks,Kent TN13 1XR Sevenoaks,Kent TN13 1XR (GB)

(54)	GRADIENT CATHODE MATERIAL FOR LITHIUM RECHARGEABLE BATTERIES